Group 1 - The 14th China (Beijing) Defense Informationization Equipment and Technology Expo was held from June 12 to 14, 2025, attracting over 35,000 professional visitors from military, armed police, border defense, and research institutions [1] - KeliXun showcased three core solutions: 350M PDT wireless cluster communication system, 400M DMR wireless cluster communication system, and the "Three Breaks" guaranteed wireless communication system, generating significant interest among domestic and international professional audiences [1] Group 2 - The "Three Breaks" guaranteed communication system is designed for emergency communication in extreme scenarios of "network break, power break, and road break," utilizing wireless self-organizing network technology [3] - The system includes solar and wind energy-powered fixed stations, mobile stations, drone modules, multi-mode smart terminals, and a dispatch management system, capable of operating independently for over 72 hours without grid power [3] - The system is resilient against extreme disasters such as floods and earthquakes, ensuring reliable deployment in various geological conditions [3] Group 3 - The 350M PDT wireless cluster communication system focuses on domestic production, high reliability, and strong security, catering to industries such as public security, military, and border defense [5] - It features end-to-end encryption, authentication, and ESN verification, meeting high information security standards for public security and armed police [8] - The system enhances emergency command and collaborative combat efficiency while supporting the digital transformation and modernization of public security and border defense sectors [8] Group 4 - The 400M DMR wireless cluster communication system employs a flexible architecture, supporting various networking modes suitable for different applications, including campus and cross-province operations [10] - It ensures high availability through multi-level fault tolerance and hot backup capabilities, enhancing response efficiency during emergencies [10] - The unified dispatch platform integrates GIS tracking, full network recording, and remote control functions, providing high compatibility and low upgrade costs for complex application scenarios [11] Group 5 - KeliXun's participation in the expo allowed the company to showcase its product strength and technological accumulation in the wireless private network communication system field [11] - The company aims to continue focusing on autonomous control, intelligent integration, and security reliability, striving for innovation to provide more efficient, intelligent, and secure communication solutions [11] - KeliXun is committed to supporting the high-quality development of national public safety and emergency response systems [11]